395825671 has 8 divisors (see below), whose sum is σ = 420564960. Its totient is φ = 372537184.

The previous prime is 395825641. The next prime is 395825687. The reversal of 395825671 is 176528593.

395825671 = T₁₆₂₄₃ + T₁₆₂₄₄ + T₁₆₂₄₅.

It is not a de Polignac number, because 395825671 - 2¹³ = 395817479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395825641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35371 + ... + 45196.

It is an arithmetic number, because the mean of its divisors is an integer number (52570620).

Almost surely, 2^395825671 is an apocalyptic number.

395825671 is the 16245-th centered triangular number.

395825671 is a deficient number, since it is larger than the sum of its proper divisors (24739289).

395825671 is an frugal number, since it uses more digits than its factorization.

395825671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80618 (or 80584 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 395825671 is about 19895.3680790278. The cubic root of 395825671 is about 734.2342718745.

The spelling of 395825671 in words is "three hundred ninety-five million, eight hundred twenty-five thousand, six hundred seventy-one".